Granted Patent
Utility
US 4,884,303 · App. 07/166,109
Sleeping bag
Inventor:
Michael Scherer
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Mar 10, 1988
Inventor
Michael Scherer
Assignee (at issue)
American Recreation Products, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.